2021-10-27, 12:47 AM
Yes, if you get /dev/ttyS0 then this is the issue.
You must edit /boot/config.txt and add
dtoverlay=disable-bt
Then you should find /dev/ttyAMA0 from ls -l /dev/serial0
You must edit /boot/config.txt and add
dtoverlay=disable-bt
Then you should find /dev/ttyAMA0 from ls -l /dev/serial0